Granted Patent
Utility
US 5,650,204 · App. 08/305,324
Polyester bottle and method of removing adsorbates on the bottle
Inventors:
Hidenori Kaya, Hiroji Niimi, Susumu Hatabu, Kunio Tomita
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Sep 6, 1994
Inventors
Hidenori Kaya
Hiroji Niimi
Susumu Hatabu
Kunio Tomita
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.